Discussion on "Public address systems" before the North Midland Centre, at Leeds, 12th December, 1942
Volume :
90
Issue :
11
fYear :
1943
fDate :
9/1/1943 12:00:00 AM
Firstpage :
151
Lastpage :
152
Journal_Title :
Journal of the Institution of Electrical Engineers - Part III: Communication Engineering, including the Proceedings of the Wireless Section of the Institution
